HOW TO MAKE HORIZONTAL DEMONSTRATIONS VISIBLE TO AN ENTIRE CLASS.
Wimmer, E J
HOW TO MAKE HORIZONTAL DEMONSTRATIONS VISIBLE TO AN ENTIRE CLASS. [electronic resource] - Science (New York, N.Y.) Nov 1930 - 533-4 p. digital
Publication Type: Journal Article
0036-8075
10.1126/science.72.1873.533 doi
HOW TO MAKE HORIZONTAL DEMONSTRATIONS VISIBLE TO AN ENTIRE CLASS. [electronic resource] - Science (New York, N.Y.) Nov 1930 - 533-4 p. digital
Publication Type: Journal Article
0036-8075
10.1126/science.72.1873.533 doi